<html>
<head>
 <title>展开合闭按钮</title>
 <link href="css/css.css" type="text/css" rel="stylesheet" />
 <meta content="text/html; charset=utf-8" http-equiv="Content-Type"/>
 <script language="javascript">
  function switchSysBar(){
   if (parent.document.getElementById('attachucp').cols=="194,12,*"){
    document.getElementById('leftbar').style.display="";
    parent.document.getElementById('attachucp').cols="0,12,*";
   }
   else{
    parent.document.getElementById('attachucp').cols="194,12,*";
    document.getElementById('leftbar').style.display="none"
   }
  }
  function load(){
   if (parent.document.getElementById('attachucp').cols=="0,12,*"){
    document.getElementById('leftbar').style.display="";
   }
  }
 </script>
</head>
<body marginwidth="0" marginheight="0" onLoad="load()" topmargin="0" leftmargin="0" onselectstart="return false" oncontextmenu=return(false) style="overflow-x:hidden;">
<center>
 <table height="100%" cellspacing="0" cellpadding="0" border="0" width="100%">
  <tbody>
  <tr>
   <td bgcolor="#ededb1" width="1">
   </td>
   <td id="leftbar" style="display: none; background:url(images/main/switchbg.jpg) repeat-y #d2d2d0 0px 0">
    <a onClick="switchSysBar()" href="javascript:void(0);">
     <img src="images/main/pic24.jpg" width="12" height="72" border="0" alt="隐藏左侧菜单" >
    </a>
   </td>
   <td id="rightbar"style="background:url(images/main/switchbg.jpg) repeat-y #f2f0f5 0px 0">
    <a onClick="switchSysBar()" href="javascript:void(0);">
     <img src="images/main/pic23.jpg" width="12" height="72" border="0" alt="隐藏左侧菜单" >
    </a>
   </td>
  </tr>
  </tbody>
 </table>
</center>
</body>
</html>